Hi, The commit "[POWERPC] Port fixmap from x86 and use for kmap_atomic" breaks dma-noncoherent.c, if highmem is enabled.
> --- a/arch/powerpc/mm/pgtable_32.c > +++ b/arch/powerpc/mm/pgtable_32.c > @@ -387,3 +388,25 @@ void kernel_map_pages(struct page *page, int numpages, > int enable) > change_page_attr(page, numpages, enable ? PAGE_KERNEL : __pgprot(0)); > } > #endif /* CONFIG_DEBUG_PAGEALLOC */ > + > +static int fixmaps; > +unsigned long FIXADDR_TOP = 0xfffff000; > +EXPORT_SYMBOL(FIXADDR_TOP); > + The address defined for FIXADDR_TOP seems to conflict with the address defined by CONSISTENT_START (default 0xff100000). It triggers the BUG_ON(!pte_none(*pte)) statement in __dma_alloc_coherent(). regards, Gerhard -- GMX startet ShortView.de. Hier findest Du Leute mit Deinen Interessen! Jetzt dabei sein: http://www.shortview.de/[EMAIL PROTECTED] _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
